– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 am Thu 12 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Thu 12 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 30mm), heaviest during Fri afternoon. Very mild (max 14°C on Thu morning, min 7°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 11mm), heaviest on Sun night. Mild temperatures (max 8°C on Sun morning, min 3°C on Tue night). Wind will be generally light. | |||||||||||||||||
Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | | | | |  |  | |  |  | | | |
cloudy | cloudy | cloudy | light rain | mod. rain | mod. rain | light rain | light rain | mod. rain | light rain | light rain | light rain | rain shwrs | light rain | rain shwrs | clear | clear | rain shwrs | |
Cloud base (m) | 5550 | 5550 | 5900 | 2650 | 1600 | 600 | 600 | 550 | 550 | 550 | 600 | 600 | 600 | 650 | 600 | 2000 | 6600 | 600 |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | 0.6 | 9 | 7 | 1.7 | 2 | 9 | 4 | 1 | 4 | 0.4 | 0.3 | 0.1 | — | — | 1.7 |
max °C | 14 | 14 | 14 | 14 | 9 | 8 | 7 | 7 | 8 | 8 | 7 | 6 | 6 | 6 | 5 | 8 | 7 | 5 |
min °C | 14 | 14 | 13 | 11 | 8 | 7 | 7 | 7 | 7 | 7 | 6 | 5 | 5 | 5 | 4 | 7 | 5 | 3 |
chill °C | 13 | 14 | 12 | 10 | 6 | 5 | 5 | 5 | 4 | 4 | 3 | 2 | 2 | 2 | 2 | 6 | 3 | 1 |
Freezing level m | 2650 | 2750 | 2900 | 2400 | 2050 | 1800 | 1550 | 1650 | 1900 | 1700 | 1500 | 1300 | 1250 | 1350 | 1400 | 1550 | 1700 | 1550 |
 | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — |
 | — | 4:30 | — | — | 4:30 | — | — | 4:29 | — | — | 4:27 | — | — | 4:25 | — | — | 4:24 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 30mm), heaviest during Fri afternoon. Very mild (max 14°C on Thu morning, min 7°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 11mm), heaviest on Sun night. Mild temperatures (max 8°C on Sun morning, min 3°C on Tue night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.